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allow compilation without git or when git fails #300

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allow compilation without git or when git fails #300

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10 changes: 8 additions & 2 deletions cmake/modules/GitVersion.cmake
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Original file line number Diff line number Diff line change
@@ -1,8 +1,12 @@
function(git_get_version VERSION_VARIABLE)
string(TIMESTAMP TODAY "%Y.%m.%d")
set(${VERSION_VARIABLE} "0.0.0+${TODAY}" PARENT_SCOPE)

find_program(GIT_EXECUTABLE git)

if(NOT GIT_EXECUTABLE)
message(FATAL_ERROR "Git not found. Please install Git and make sure it is in your system's PATH.")
message(WARNING "Git not found, using fallback version.")
return()
endif()

execute_process(
Expand All @@ -15,7 +19,9 @@ function(git_get_version VERSION_VARIABLE)
)

if(NOT GIT_DESCRIBE_RESULT EQUAL 0)
message(FATAL_ERROR "Error running 'git describe': ${GIT_DESCRIBE_ERROR}")
message(INFO "Error running 'git describe': ${GIT_DESCRIBE_ERROR}")
message(WARNING "Git failed, using fallback version.")
return()
endif()

string(LENGTH "${VERSION_STRING}" VERSION_STRING_LENGTH)
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